body {
    margin: 0;
    background-color: #f4f8fe;
    font-family: Arial, sans-serif;
    padding: 20px; /* 添加一些内边距来避免内容紧贴浏览器边缘 */
}

.container {
    width: 80%; /* 容器宽度 */
    margin: 0 auto; /* 水平居中 */
}

h3 {
    text-align: center;
    margin-bottom: 20px;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
}


th, td {
    border: none;
    text-align: center;
    padding: 8px;
    position: relative;
    background-clip: content-box;
}

th {
    background-color: #fffbbd;
    box-shadow:
        0 0 0 2px #ffddd8,
        0 0 0 4px #f4f8fe inset;
}

td {
    box-shadow:
        0 0 0 2px #ffddd8,
        0 0 0 4px #f4f8fe inset;
}

table {
    border-collapse: separate;
    border-spacing: 0; /* 移除单元格之间的空间 */
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}



a:hover, input[type="submit"]:hover {
    border-radius: 50%;
    background-color: #f7bce9;
    color: white;
    transition: all 0.3s ease;
}

form {
    text-align: center;
    margin-bottom: 20px;
}

input[type="submit"] {
    background-color: #ffd1cb;
    border: none;
    color: #fffdef;
    padding: 10px 20px;
    cursor: pointer; /* 鼠标悬停时显示手指指针 */
    border-radius: 5px;
    transition: all 0.3s ease;
}

/* 操作列链接的样式 */
td:last-child a {
    display: inline-block;
    margin: 0 5px;
    padding: 5px 10px; /* 内边距 */
    border-radius: 5px; /* 圆角 */
    background-color: #e9ecef;
    text-decoration: none;
    color: #007bff;
    transition: all 0.3s ease; /* 平滑过渡效果 */
}


@media (max-width: 768px) {
    .container {
        width: 100%;
        padding: 0;
    }

}